def validate_data_not_empty(input_data):
    """
    工具方法：根据输入数据校验数据是否不为None和''
    :param input_data: 输入数据
    :return: 校验结果
    """
    return input_data is not None and input_data != ''


#判断节点层级和名称
def find_title_and_path(data, key, path=None, level=0):
    if path is None:
        path = []
    
    if 'key' in data and data['key'] == key:
        # 当前层级的 title 加入路径
        path.append(data['title'])
        return data['title'], level, path
    elif 'children' in data:
        for child in data['children']:
            title, child_level, updated_path = find_title_and_path(child, key, path + [data['title']], level + 1)
            if title is not None:
                return title, child_level, updated_path
    return None, -1, path

#拓展字符串长度
def process_string(s):
    if len(s) < 65 and len(s) > 55 :
        return s + "..."
    elif len(s) < 55 :
        return s + ".                                             ."
    elif len(s) > 90:
        return s[:90]+ "..."
    else:
        return s